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734738d3bd
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40250 Commits

Author SHA1 Message Date
Jim Grosbach
734738d3bd Remove too-strict assertion. We may want the vreg copy of the physical register 
to be of a different register class. For example, in Thumb1 if the live-in is
a high register, we want the vreg to be a low register. rdar://8224931

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 23:48:02 +00:00
Devang Patel
5f2f69b648 Revert r109262. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 23:04:41 +00:00
Dale Johannesen
8086d5800d Revert 109076. It is wrong and was causing regressions. Add some 
comments explaining why it was wrong.  8225024.

Fix the real problem in 8213383: the code that splits very large
blocks when no other place to put constants can be found was not
considering the case that the block contained a Thumb tablejump.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109282 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 22:50:23 +00:00
Evan Cheng
3144687df7 - Allow target to specify when is register pressure "too high". In most cases, 
it's too late to start backing off aggressive latency scheduling when most
  of the registers are in use so the threshold should be a bit tighter.
- Correctly handle live out's and extract_subreg etc.
- Enable register pressure aware scheduling by default for hybrid scheduler.
  For ARM, this is almost always a win on # of instructions. It's runtime
  neutral for most of the tests. But for some kernels with high register
  pressure it can be a huge win. e.g. 464.h264ref reduced number of spills by
  54 and sped up by 20%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 22:39:59 +00:00
Bruno Cardoso Lopes
f64a7d49a0 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 22:15:26 +00:00
Dan Gohman
f8336a75c2 Eliminate getCanonicalInductionVariableIncrement's last user and 
eliminate it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109270 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 21:34:51 +00:00
Dan Gohman
63137d5681 Simplify this code; it can use the regular CFG utlities rather than 
the BlockTraits abstractions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109268 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 21:25:16 +00:00
Dan Gohman
304a7a6242 Micro-optimize SCEVComplexityCompare. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 21:20:52 +00:00
Dan Gohman
e72079ac69 Add a const qualifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109266 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 21:18:55 +00:00
Dan Gohman
cd20c6fb18 Use the proper type for shift counts. This fixes a bootstrap error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 21:08:12 +00:00
Devang Patel
f83f42599d IF directory name is empty then try to extract one using absolute file name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 20:36:13 +00:00
Bruno Cardoso Lopes
f528d2b438 Add AVX version of CLMUL instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109248 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 18:41:12 +00:00
Dan Gohman
a4f4d699ec DAGCombine (shl (anyext x, c)) to (anyext (shl x, c)) if the high bits 
are not demanded. This often allows the anyext to be folded away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 18:03:30 +00:00
Dan Gohman
7c98283f0e Make SDNode::dump() print a newline at the end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 16:37:47 +00:00
Gabor Greif
04577efaf2 fix constness warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109224 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 13:28:47 +00:00
Gabor Greif
9843688f97 do not (implicitly) dereference iterator many times, cache it instead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109222 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 10:23:01 +00:00
Mikhail Glushenkov
b2721e70df Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109216 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 04:19:34 +00:00
Mikhail Glushenkov
b374d4fd82 Get rid of exceptions in llvmc. 
llvmc can be now compiled with llvm-gcc on Windows.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 03:42:55 +00:00
Bruno Cardoso Lopes
26a9142bd6 Declare CLMUL as a subtarget feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109207 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 01:22:45 +00:00
Bruno Cardoso Lopes
cdae7e8244 Add x86 CLMUL (Carry-less multiplication) cpu feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 01:17:51 +00:00
Eric Christopher
54e1791e4b 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 01:05:59 +00:00
Bruno Cardoso Lopes
6b7e9168a4 Add complete assembler support for FMA3 instructions, with descriptions and encodings taken from the AVX manual 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109204 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 00:54:35 +00:00
Dale Johannesen
c76d23f2e2 The only supported calling convention for X86-64 uses 
SSE, so we can't return floating point values if this
is disabled.  Detect this error for clang.

With SSE1 only, f64 is a problem; it can be done, but
neither llvm-gcc nor clang has ever generated correct
code for it.  Since nobody noticed this I think it's
OK to treat it as an error for now.

This also handles SSE-sized vectors of floating point.
8207686, 8204109.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 00:30:35 +00:00
Bruno Cardoso Lopes
06e6e101a0 Fix some AVX instructions which didnt had HasAVX prefix. And also a problem with PINSRW, which was totally wrong because of a typo I introduced previously 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-23 00:14:54 +00:00
Chris Lattner
2062875a7d eliminate the TargetInstrInfo::GetInstSizeInBytes hook. 
ARM/PPC/MSP430-specific code (which are the only targets that
implement the hook) can directly reference their target-specific
instrinfo classes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:27:00 +00:00
Chris Lattner
77beeaec1e remove the dwarf sizing stuff which is now dead, it was 
"yet another" copy of the dwarf EH emission code that was
copied, pasted and slightly hacked up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109169 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:20:39 +00:00
Bruno Cardoso Lopes
fb583a9842 Add remaining AVX instructions (most of them dealing with GR64 destinations. This complete the assembler support for the general AVX ISA. But we still miss instructions from FMA3 and CLMUL specific feature flags, which are now the next step 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:18:49 +00:00
Chris Lattner
134d8eec87 remove the JIT "NeedsExactSize" feature and supporting logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:17:55 +00:00
Chris Lattner
1c55386dae switch a private implementation of GetFunctionSizeInBytes. 
This is probably not the best way to implement "Force LR to 
be spilled if the Thumb function size is > 2048." do this, 
it should use the branch shortening infrastructure, but I'm
just preserving functionality here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:14:33 +00:00
Chris Lattner
0123c1da35 X86MCInstLower now depends on AsmPrinter being around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:10:04 +00:00
Chris Lattner
456fdaf0ce instead of migrating it to the MC instruction encoder, just 
rip out the implementation of X86InstrInfo::GetInstSizeInBytes.
The code being ripped out just implemented a copy and hacked up
version of the (old) instruction encoder, and is buggy and 
terrible in other ways.  Since "GetInstSizeInBytes" is really 
only there to support the JIT's "NeedsExactSize" hook (which
noone is using), just rip out the code.  I will rip out the
NeedsExactSize hook next.

This resolves rdar://7617809 - switch X86InstrInfo::GetInstSizeInBytes to use X86MCCodeEmitter



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 21:05:13 +00:00
Devang Patel
169c932759 Speculatively revert 109117 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 18:44:00 +00:00
Xerxes Ranby
99ccffe87e ARMv4 JIT forgets to set the lr register when making a indirect function call. Fixes PR7608 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 17:28:34 +00:00
Gabor Greif
481c4c0734 keep in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 17:18:03 +00:00
Devang Patel
bd68d42843 Map MDNode correctly. 
A non function local MDNode can have an operand which is cloned by MapValue(). 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 16:35:00 +00:00
Gabor Greif
f95eef695d use cascading operator-> feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 13:49:27 +00:00
Gabor Greif
96f1d8ebdd mass elimination of reliance on automatic iterator dereferencing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 13:36:47 +00:00
Gabor Greif
945f1ab0a5 simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 13:07:39 +00:00
Gabor Greif
efdf039aec do not access arguments via low-level interface, do not multiply dereference use_iterators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 13:04:32 +00:00
Gabor Greif
85e01df73d pass dereferenced iterator to dyn_cast 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 11:48:35 +00:00
Gabor Greif
20361b9d4d pass dereferenced iterator to dyn_cast 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 11:43:44 +00:00
Gabor Greif
11aa60d05a use -> instead of (*). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 11:12:32 +00:00
Gabor Greif
3d8586eb63 cache dereferenced iterator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 11:07:46 +00:00
Gabor Greif
a399781289 undo 80 column trespassing I caused 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 10:37:47 +00:00
Chandler Carruth
30d35b8720 Mark an assert-only variable as used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 08:02:25 +00:00
Chandler Carruth
986569ac9a Fix the generated file name for CMake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 08:00:52 +00:00
Tobias Grosser
f96b006367 Add new RegionInfo pass. 
The RegionInfo pass detects single entry single exit regions in a function,
where a region is defined as any subgraph that is connected to the remaining
graph at only two spots.
Furthermore an hierarchical region tree is built.
Use it by calling "opt -regions analyze" or "opt -view-regions".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 07:46:31 +00:00
Chandler Carruth
8a89a6ae9c Attempt to fix linking issues with CMake. Please review other CMake users, 
especially on other platforms. Is there a better way to fix this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 06:27:45 +00:00
Evan Cheng
89ba74d117 Re-apply r109079 with fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 06:24:48 +00:00
Owen Anderson
8b9177aee2 Revert r109079, which broke a lot of CodeGen tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-22 06:01:28 +00:00